HI122 pH Benchtop Meter with Built-in Printer The HI122 is a professional pH/mV and temperature benchtop meter with a built-in printer. The built-in impact printer incorporated into the HI122 allows measurement information to be printed while in various modes. The meter comes with Hanna’s HI1131P glass pH electrode and the temperature probe HI7662-T to allow for automatic temperature compensation. The HI122 also allows for ORP measurements when used with the HI3131B ORP electrode (supplied seperately). CAL Check™ Hanna's exclusive CAL Check diagnostics system ensures accurate pH readings every time by alerting users to potential problems during the calibration process. The CAL Check system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions during calibration. After the guided calibration process, the probe condition is evaluated and an alert is displayed informing the user of the overall pH electrode status. Automatic Calibration pH calibration can be performed with up to five points with seven standard buffers and two custom buffers. HI1131P pH Electrode The HI122 is supplied with the HI1131P glass body, double junction, refillable pH electrode with an indicating sensor made of High Temperature (HT) glass. The double junction and HT glass design allows the HI1131P to be used in a wide variety of applications ranging from samples with metals and Tris buffer to samples at elevated temperatures. Temperature Compensation Temperature for pH measurements can be compensated for automatically (ATC) or manually (MTC) from -20.0 to 120.0°C with the use of the supplied HI7662-T temperature probe. GLP Data The calibration data for each channel including date, time, standards used, offset, and slope can be accessed at any time through the HI122 menu. Data Logging The log-on-demand feature accepts the recording of 50 samples. Interval logging allows up to 1000 data points to be recorded and allows the user to specify time intervals from 5 seconds to 180 minutes. Data Transfer With a built-in logging function, measurements are stored in nonvolatile memory, and can be transferred to a PC through the RS232 port. 2 pH 2.26 | www.hannainst.com benchtop
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